- 1973
- Apr
- Paid up capital J.Yen 8 MIllion/US$80,000.-
Invested by Mr.Hiraki Okamoto, Founded at Masago-Cho, Kita-ku, Osaka - 1974
- Feb
- Re-Located the office to Kitahorie Nishi-ku Osaka address 1-5-2
- 1988
- Jun
- Increased paid up capital to J.Yen 16Million/US$160,000.-
- 1990
- Jun
- Increased paid up capital to J.Yen 32Million/US$320,000.-
- 1995
- Jul
- Started to Export Secondary/ grade Electrical Steel Products
- 2005
- Mar
- Mr.H.Okamoto appointed as a chairman & Mr.H.Inoda as an exective managing director
- 2008
- Jun
- Mr.T.Okamoto appointed as an exective managing director and Mr.H.Inoda as an advisor
- 2009
- Sep
- Re-Located the office to present address
- 2013
- Mar
- Increased paid up capital to J.Yen 48Million/US$480,000.-
- 2020
- Jun
- Mr.K.Mano appointed as a managing director C.E.O and Mr.T.Okamoto as a chairman